Starter spring



Dec. 25, 1934. G. FCOLLEY 1,985,342

STARTER SPRING Filed March 15, 1934 Inventor /I Home y Patented Dec. 25, 1934 STARTER SPRING George F. Culley, Memphis, Tenn., assignor to Lucille McOulloch, Memphis, Tenn.

Application March 13, 1934, Serial No. 715,370

2 Claims.

This invention relates to a spring for a motor starter, the general object of the invention being to provide means for eliminating breaking of the spring and loosening of a stud, which often occurs 5 with the starters as now made.

This invention also consists in certain other features of construction and in the combination and arrangement of the several parts, to be hereinafterfully described, illustrated inthe accompanying drawing and specifically pointed out in the appended claims.

In describing theinvention in detail, reference will be had to the accompanying drawing wherein like characters denote like or corresponding parts throughout the several views, and in which:

Figure 1 is an elevation, partly in section, showing the invention applied to a starter motor.

Figure 2 is a view of the coupling member or clip.

Figure 3 is a view of a modified form of spring. In this drawing, the letter A indicates part of the starter motor, the shaft of which is shown at 1, and the sleeve which is connected with the the studs from working loose.

outer end of the shaft is shown at 2. The threaded sleeve is shown at 3, and the nut member which engages the sleeve 3 is shown at 4. The spring is shown at 5' and in carrying out the invention, I provide a coupling member or collar 6 having a substantially U-shaped ear '1 thereon, the collar being attached to the outer enlarged end ofthe sleeve 3, by a stud or bolt 8, and alock washer 9 is used to prevent loosening of the bolt. As shown in Figure 1, the inner end of the spring 5 is provided witha complementary coupling member or is looped and this end is bent upon itself, as shown at 10, to provide a thickened hook portion for engaging the ear '7. Thus the pull on the spring on the rebound after the car has started cannot loosen the stud as it does now on similar types of starters now onthe market. The loosening of this stud often causes the stud'to drop in the fly wheel and break the teeth of the fly wheel and it also results in bending the shaft and breaking of the spring. The springs now in use are provided with eyes for receiving the studs and the rebound of the spring frequently snaps off one end or the other of the. spring, but in my invention, one end of the spring is free and this eliminates breakage of the spring and prevents Figure 1- shows the outer end of the spring connected to the sleeve 2 by the bolt 11, but Figure 3 shows both ends of the spring 5' formed with the coupling member or bent ends and when this spring is used, two of the coupling members or collars 6 with their ears 7 will be used, one on each of the studs 8 and 11. However, by having the inner end of the spring loose and providing the one coupling member 6, the spring is permitted to take care of the rebound when the car starts without dangerof loosening the stud or breaking of the spring.

The coupling member or collar 6 with the ear 7 canbe made of stamping, drop forging or casting and of various kinds of. metal and it can be used with the ordinary spring now in use provided with ears or eyes, and in this case one of the eyes would engage the ear 7. r

It is thought from the foregoing description that the advantages and novel features of the invention will be readily apparent.

It is to be understood that changes may be made in the construction and in the combination and arrangement of the several parts, provided that such changes fall within the scope of the appended claims.

What is claimed is 1. In an engine starting device, the combination of a shaft, a threaded sleeve carried by said shaft, a pinion carried by said sleeve, a spring having one end connected to said shaft and its opposite end provided with a hook, said sleeve being provided with a coupling member projecting between the spring coils to engage said hook when the starter is actuated and to permit slip- .page'between the spring and sleeve upon return of said pinion to non-driving position.

2. In an engine starting device, the combination of a shaft, a threaded sleeve carried by said shaft, a pinion carriedby said sleeve, a spring having one end connected to said shaft and its opposite end provided with a hook, said sleeve being provided with a stud and with a coupling member including a collar surrounding said stud "and an ear projecting in a direction to engage the hook when the starter'is actuated and to permit slippage between the spring and sleeve upon return of said pinion to non-driving position.

his GEORGE F. X COLLEY.

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